![](https://staticzujuan.xkw.com/quesimg/Upload/formula/695e41a98c6bf6abf5d3874af2ece9fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b619e2e8214deb9ad64210f5304db8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 对数的运算
A.8 | B.25 |
C.16 | D.4 |
【知识点】 对数的运算性质的应用 运用换底公式化简计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91421b707c81919dac289abe26c50021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a96f3db98bb042839fbd596512cec94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.20 | B.![]() | C.![]() | D.400 |
【知识点】 对数的运算性质的应用 运用换底公式化简计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5210e08aaa582c6ef264e93ced8eac65.png)
A.log34 | B.![]() |
C.3 | D.4 |
【知识点】 对数的运算 对数的运算性质的应用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d256958ecfd2039e3c43507c6a7c8593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a542e1766e5daad50c1d682962db887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0be44077d42cfffece905b1af13e000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf5114e1dbd4fc973e99293e1fdb3def.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 指数式与对数式的互化 对数的运算性质的应用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269c0ebe63f72a924250de96f8eb13e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa9ff855b7c60225c8812ba764e52af.png)
A.2 | B.2或0 | C.0 | D.![]() |
【知识点】 对数的运算性质的应用
【知识点】 对数的运算 运用换底公式化简计算